Malicious PDF — malware analysis report

Static analysis result for SHA-256 fac2069619b506c1…

MALICIOUS

PDF

40.5 KB Created: 2020-04-08 20:26:37 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4d3e1f4c113a0240324aaa761c76ee5f SHA-1: 66ded41bdb7587512bad184dedfada445db740a3 SHA-256: fac2069619b506c12b1126d3c0648ad5a24ce48a64088a7c9a08249619c8ec8c
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of embedded external links, many of which point to other PDF files, suggesting a link farm or redirection scheme. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates that the document may be intended to trick users into believing they need a password to access content, which is a common social engineering tactic. No scripts were extracted from this sample, limiting the ability to determine the exact payload or execution method.

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://letscreatesomething.co/uploads/1/3/0/6/130621142/130621142.html#yamaha+raptor+660+manual
    • http://renoplumber.net/uploads/1/3/0/6/130620757/57f0d825c87c6.pdf
    • http://nextpathfinance.org/uploads/1/3/0/6/130620691/ab0d16.pdf
    • http://drubeatz.com/uploads/1/3/0/3/130313466/zesolu.pdf
    • http://jennifer-rice.com/uploads/1/3/0/6/130604313/pokisivimime.pdf
    • http://consciouslivingproject.us/uploads/1/3/1/4/131453847/voxose.pdf
    • http://thepeerlessnetwork.org/uploads/1/3/0/6/130640025/pakuwopilofapulozove.pdf
    • http://roedconstruction.com/uploads/1/3/0/7/130776402/vezeris.pdf
    • http://murdermysterysociety.com/uploads/1/3/1/1/131164393/koloxute_madit.pdf
    • http://thinkglobaly.com/uploads/1/3/0/5/130551981/fowamefiwoxa.pdf
    • http://mormorsgucci.com/uploads/1/3/0/6/130639212/3c772116e697.pdf
    • http://www.menteriaithcasnewydd.org/uploads/1/3/1/4/131407088/9523930.pdf
    • http://elksrunning.com/uploads/1/3/0/7/130776162/0533afa0a.pdf
    • http://confederatelabs.com/uploads/1/3/1/3/131379392/xuter.pdf
    • http://yuriciclaw.com/uploads/1/3/1/3/131383621/826186.pdf
    • http://mrwexler.com/uploads/1/3/0/4/130491850/3506680.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007360.bin
d069fdf65a86da239b932b686427e73219253152678ddddcb667d690429e7a15		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7360 8660 bytes

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